354671669 has 16 divisors (see below), whose sum is σ = 395414016. Its totient is φ = 315414000.

The previous prime is 354671641. The next prime is 354671687. The reversal of 354671669 is 966176453.

It is not a de Polignac number, because 354671669 - 2⁸ = 354671413 is a prime.

It is a super-2 number, since 2×354671669² = 251583985582491122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354671609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109694 + ... + 112880.

It is an arithmetic number, because the mean of its divisors is an integer number (24713376).

Almost surely, 2^354671669 is an apocalyptic number.

It is an amenable number.

354671669 is a deficient number, since it is larger than the sum of its proper divisors (40742347).

354671669 is a wasteful number, since it uses less digits than its factorization.

354671669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3416.

The product of its digits is 816480, while the sum is 47.

The square root of 354671669 is about 18832.7286658094. The cubic root of 354671669 is about 707.8515154849.

The spelling of 354671669 in words is "three hundred fifty-four million, six hundred seventy-one thousand, six hundred sixty-nine".